#1883ED
Closest named color: Clear Blue (#247AFD). oklch(61.1% 0.183 253.8), rgb(24, 131, 237).
Aa
Black text reads best on this color (5.50:1).
About this color
#1883ED is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.183 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.035 away. Black text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #1883ED |
| RGB | rgb(24, 131, 237) |
| HSL | hsl(210, 86%, 51%) |
| OKLCH | oklch(61.1% 0.183 253.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1883ED | 3.81:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #1883ED | 5.50:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #1883ED text on white | 3.81:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #1883ED text on black | 5.50:1 | AA | Lc -36.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFB
oklch(93.5% 0.026 253.6)
-
Step 200
200
#C3DCFA
oklch(88.6% 0.049 253.1)
-
Step 300
300
#98C4FA
oklch(80.9% 0.09 253.9)
-
Step 400
400
#5CA3F7
oklch(70.6% 0.143 253.9)
-
Step 500
500 (this color)
#1883ED
oklch(61.1% 0.183 253.8)
-
Step 600
600
#0072D6
oklch(55.6% 0.176 253.8)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900
#00417E
oklch(37.7% 0.118 253.6)
-
Step 950
950
#06264A
oklch(26.9% 0.076 254.4)
#1883ED with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #498CF1 | 0.041 |
| Deuteranopia (no green cones) | #117AEB | 0.024 |
| Tritanopia (no blue cones) | #009DAC | 0.137 |
| Achromatopsia (no color) | #838383 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1883ED
#1883ED
oklch(61.1% 0.183 253.8)
- #B17500
#B17500
oklch(61% 0.13 73.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1883ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.035
- Dodger Blue #1E90FF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.045
- Water Blue #0E87CC ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.060
- Soft Blue #6488EA ΔE 0.060
- Royal Blue #4169E1 ΔE 0.066
Use #1883ED in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.